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Finding the Fourth Proportional to 55,593.72, 83,390.86 and 14,040.76

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Solution

The fourth proportional to 55,593.72, 83,390.86 and 14,040.76 is: 21,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.72 : 83,390.86 = 14,040.76 : x
  2. Step 2: Convert to fraction form
    55,593.72/83,390.86 = 14,040.76/x
  3. Step 3: Cross multiply
    55,593.72x = 83,390.86 × 14,040.76
  4. Step 4: Simplify right side
    55,593.72x = 1,170,871,051.45
  5. Step 5: Solve for x
    x = 1,170,871,051.45/55,593.72
  6. Step 6: Final answer
    x = 21,061.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.